Uma Maheswara Rao G created HDDS-9715:
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             Summary: S3Gateway server to use zero copy transfer to when 
copying data to Ozone.
                 Key: HDDS-9715
                 URL: https://issues.apache.org/jira/browse/HDDS-9715
             Project: Apache Ozone
          Issue Type: Improvement
          Components: s3gateway
    Affects Versions: 1.3.0
            Reporter: Uma Maheswara Rao G
            Assignee: Duong Nguyen


S3Gateway server receives data from s3 clients and transfer data to ozone. 
Currently it is using IOUtils.copyLarge(src, dest) to transfer data between. 
This API copy the data to byte[] intermediately and writes to dest.

We should think to provide ByteBuffer based output stream and transfer data 
natively.



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